Line up your map with what you see around you. This can be done either by (1) rotating the map the requisite number of degrees east or west or (2) holding the baseplate firmly, rotate the compass housing to the correct number of degrees west or east to account for the declination. Used the G-M angle formed by the . Get my Land Navigation coursehere. Home / Educational Resources / Math Resources / Compass: Definitions and Examples. When your compass cant adjust for declination, you may make your own declination arrow out of masking tape and attach it below your compass under the right declination degree hash (This will only work if your compass has a clear base). Learn to navigate using a topographic map and a compass. Lets pretend youre on a hike. Lay your map out in front of you on a relatively flat and smooth (and dry!) 3. If not, recalibrate before continuing. Making sure you don't move to change directions, turn the glass compass housing until the short luminous line is directly lined up with the luminous magnetic arrow. When we know our point position, we can identify any landmark that we see in our terrain by using the map. It has its advantages and disadvantages over the orienteering compass. A map so lined up is easier to interpret and follow than a map spread out haphazardly. You can use this feature to set your compass in the dark. With solid land-navigation skills, you'll be more confident and "at home" in the wilderness. Step 1. Adjust for magnetic declination. Future US, Inc. Full 7th Floor, 130 West 42nd Street, You learn that it has a 176 bearing. 2. Conversely, the black end of the compass needle should be pointing south. ENROLL NOW. Well use the rear bearing of it to draw a line on the map from Saddle Mountain to our approximate direction. Let's say you see a water tower off in the distance. Were headed to the Wichita Mountains Wildlife Refuge in Oklahoma for this example. A: In order to orient and read a map, you have to have spatial awareness. Orient the map to the terrain. If you want to navigate and explore like a Navy SEAL, its high time you learn how to use one of these stellar compasses. The edge of the compass baseplate is now pointing in the direction of the visible landmark from which you took your bearing. The two basic techniques for using the lensatic compass . SMCT Orient a Map Using a Lensatic Compass. So, if youre at Muir Woods and your compass reads 180 degrees, subtract 14 degrees. If your destination is further than what the side edging allows for, you can use an actual ruler to align with the side of your compass edge to help you get to your destination. Area Position. Read your compass (Figures 5-25 and 5-26). Were ready to start orienting ourselves now that our compass has been corrected for local declination. Using the Centerhold Technique. Procedures. He climbs when he should be writing, writes when he should be sleeping, has fun always. c. There are two methods of holding the lensatic compass and sighting. Step 4: Walk along the path and make sure your compass always points North. that it is pointing towards the top of the map. [10] 4. Heres how it works. Note that we will be moving and adjusting the compass on the map. As long as you can hold the compass level and steady, the exact grip doesn't matter. Youre somewhere on that line, so you know have a line position. When you purchase through links on our site, we may earn an affiliate commission. There are 2 ways to do this - using landmarks or using a compass. 1. To use your lensatic compass to find the direction of your intended azimuth (which you probably got from your map, using your protractor): 1. Place compass on top of map. Rotate the compass until the north on the bezel points to the top of the map and the compass housing orienting lines are parallel to the maps vertical grid lines, using your position as a pivot. Before we do that, lets take a closer look at declination. An "azimuth" is pretty much the same as a "bearing." Orient a map using a lensatic compass A compass needle aligns with the magnetic fields in the Earth, which is what it uses to help you find true north. What if youre not on a route and just have a broad idea of where you are? In my. Youll see that it shows two arrows when you turn your headset or controllers around to show the new orientation of a map."}}]}. But not to you, I trust. PARTS OF THE LENSATIC COMPASS Compass, Lensatic, US Army, closeup: 2 (From another source) 1. A map, by definition, is a small-scale representation of the real world or a section thereof. At least, I never saw him with one. There is no declination, and you do not need to adjust your compass. Lets break down the individual parts of a lensatic compass so you can understand every element behind how it works. Next, ensure youre happy with your judgment by matching other physical features in the landscape to the map, such as crags, glaciers, waterfalls, lakes and rivers. If you don't, visit the page just hyperlinked. See that little black outline of an arrow? Best Camping Knife for Outdoor Adventures, Best 4-Person Tent For Camping [2023 Update], How to Use a Fire Starter: A Simple, Step-by-Step Guide, How to Dispose of Butane Cans (and Other Solvents), Best Hikes in Colorado: 17 Incredible Trails, Types of Backpacks: The Ultimate List of 23 Pack Styles, Learning one of land navigations primary skills, Turn your map using your map and compass together, How to check your map is oriented correctly. Magnetic north would be slightly to your right, or east, by about 14. Though GPS and smartphonesare reliable, its still vital to carry a compass, and know how to use it, as a backup or lifesaving form of navigation. I guess the military needs the extra accuracy now and then say, for example, to precisely place artillery fire. Experience is the best way to learn and wed highly recommend booking a navigation course to really hone your skills. You notice another mountain peak out in the distance, but you dont know what its called. Your cheek should be resting on the base of your thumb. Its a bit tricky, but once you get the hang of it, youre solid. Use your index finger to steady the front of the compass. You don't want to hold it crooked, cockeyed, or off level. Now, read the degree marking under the fixed black index line. Well, we can use our compass as a protractor to take a bearing from our map. Its a subtle difference, but its a roundabout way of saying lensatic compasses are less prone to interference than others. The lensatic compass is used by the U.S. Military. Use the illustration above to familiarize yourself with the components of a lensatic compass. Move the lens holder: Slightly push forward the lens holder. The lanyard hole that can be used by the orienteering compass user can limit access to the compass if not enough space is available to move the compass across your map. What happens if you dont compensate for declination with your compass? Lensatic compasses aremade upof three parts: cover, base, and reading lens. This is sometimes referred to as putting red in the shed. Photo: Wikipedia. (Note: The magnetic compass needle should be ignored.) The cover is used to protect the compass and alsoincorporates thesighting wirewhich helps you determine direction. Basically, the compass needle will point someplace east of true north in locations west of the agonic line, whereas it will point somewhere west of true north in areas east of the agonic line. Lets move to the opposite coast of the U.S. Lets say youre in the Adirondacks of New York. Use a Compass : Basic Reading Do's and Dont's \u0026 Tips With Navigating COM-PASS Reading Placement Test - Characters COMPASS Reading Prep How to use a compass:For beginners THIS is how to use a Compass (Lensatic Compass for beginn-ers) Using A Lensatic Compass (For Dum-mies) Beginner guide to map and compass - Survival Saturday Ep. As we can see, the area Im in has a declination of 4E. Adjust the compass bezel so that north on the compass corresponds to north on the map. This visualization has been approved for public release.Storyboard developed from the STP 21-1 Soldier's Manual of Common Tasks Warrior Skills Level 1, September 2017Approved by the Center for Initial Military Training (CIMT) G-3/5/7, Initial Entry Training, Fort Eustis Virginia. Its not as easy to get lost on land without a map and compass. Next, without changing the orientation of you map, move your compass so that its edge is touching the point you are plotting to/from and the compass dial reading matches your bearing. One disadvantage is, unlike the orienteering compass, it's not easy to make it double as a protractor, meaning you'll have to carry a protractor with you. When you point your compass towards true north, your compass needle is going to point a little to the west. Hold compass up to eye level and view larger side card for "direction-of-travel" compass. 9-4. 1. Orient the map to the terrain. Standard compasses use floating dials, but lensatic compasses use a damping mechanism powered by electromagnetic induction. Turn the compass and the map as a unit until you box the needlei.e., Put Red Fred in the shed. 1. We still need to understand where we are in reference to our map how to orient ourselves before we can start really navigating, which well cover in Part III of this series. If the magnetic declinationin your area were zero, you'd proceed in the direction of 062 degrees. 1. As you can see, the declination of the location Im in is 4E. Look at the red needle to see which direction it is pointing. In actual practice, orienting your map is something you'll often do "on the run" and can be as simple as glancing at your compass needle and turning the map more or less accordingly. Program, Strengthen Your Tribe: A Report on the Atomic Athlete Vanguard, The Best Riddles for Kids (With Answers! You now have your target's bearing. We can find out easily enough, though. Youll see that it shows two arrows when you turn your headset or controllers around to show the new orientation of a map. ","acceptedAnswer":{"@type":"Answer","text":"A: To rotate a map in Beat Saber, you can hit the trigger button on your controller. The North-seeking arrow of the compass must fall within 3 degrees (50 mils) of the angle shown in the grid-magnetic (G-M) angle on the map's declination diagram. Make an "L" shape with the index finger and thumb of your other hand. Your compass is now set. This latter option is a cheat since grid lines have their own declination value. OEC G&V. Download. You can always orient your map with a working compass. Here's an example from an older map of the Grand Canyon. The how to orient a map using a compass is a skill that can be used in the outdoors. 2. All you have to do is shoot a bearing towards the unidentified peak. Your action from here depends on the value and direction of your declinationeast or west. Uses a retractable lens to read the bearing while. You see that its 230 in relation to your location. When the actual lens gets damaged, it unnecessarily impairs simple operation. Sight an azimuth to any visible terrain feature that appears on the map. Flip up the lid to a 90-degree angle. Read the number at the index line. A visualization depicting the Soldier's Manual of Common Tasks (STP 21-1-SMCT) task Orient a Map Using a Lensatic Compass (071-COM-1011). Holding any compass in a slack and half-a**ed (that's an old military term) manner can cause you to go off in the wrong direction. Once you reach your landmark, align yourself again to make sure youre on the right path. 3. Imagine that you want to hold it as if it were firmly mounted in that position. Shoot the reverse bearing you got with your compass from the top of Saddle Mountain on your map. At the summit of Saddle Mountain, take a bearing using your compass. To use your lensatic compass to find the direction of your intended azimuth (which you probably got from your map, using your protractor): 1. It is easy to learn and it can be done with just a map and compass. As magnetic north changes depending on where you are in the world, you have to ensure you adjust your compass accordingly. The courses of streams change, field boundaries move, new hedgerows are built, walls are plundered for buildings, glaciers melt, roads and bridges are washed away by floods, houses are knocked down and rebuilt somewhere else. Simply look for distinguishable landmarks that are marked on the map, and turn so that both you and the map are facing this object. What wildlife can you see at Yellowstone National Park? Check back next month for our final briefingon how tonavigate using MGRS coordinates, just like they do in the military. Put the compass anywhere on top of the map. First, use your compass to get a bearing on a peak of Saddle Mountain. Nothing is permanent and contours are more permanent than pretty much everything else on a map. Lay the map out flat in front of you. If you want to learn Land Navigation in detail, either buy a book; or get someone, who has the knowledge and skills, to teach you in person. We covered how to use a compass correctly, how to shoot your bearings, and the greatest map for navigating: the topo map, in Part I. The lensatic compass is comprised of different parts compared to a baseplate compass. Take a bearing to a visible landmark using your compass. 3.30 MB. Ymiko Compass Survival,Compass For Kids,Compass Hiking Durable Shockproof Waterproof Brass Camping Tools For Navigation Outdoor. Your action from here depends on the value and direction of your declinationeast or west. If we dont account for declination and use our map to acquire directions to our destination, well be wrong by 14 or more when we start walking. We guide you on how to orientate a map with or without your compass so that you can navigate your way through the backcountry. Battle tested - shock, water, sand proof, and. They could be your saving grace during a SHTF situation. (They are oriented to Grid North, which is not necessarily the same as . Then, slide your compass around so that its edge passes through the landmark on the map, while the orienting arrow continues to point north. The instructions on this page might make orienting a map seem a highly technical thing. Last update on 2023-03-04 / Affiliate links / Images from Amazon Product Advertising API. Learn Land Navigation Now. And thats it! ","acceptedAnswer":{"@type":"Answer","text":"A: In order to orient and read a map, you have to have spatial awareness. Remember declination from Part I? Spread out your map. Now its time to use the lens. A map and compass are useless unless you know how to use them properly. Title: USING THE MILITARY LENSATIC COMPASS 1 USING THE MILITARY LENSATIC COMPASS PART 2 Intermediate Land Navigation Module 14 Travel Distance Estimation 2 . This makes it easier to relate what you see on the map with what you see on the ground.